Home / 13,990.02-20,982.15-6,193.86

Finding the Fourth Proportional to 13,990.02, 20,982.15 and 6,193.86

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Solution

The fourth proportional to 13,990.02, 20,982.15 and 6,193.86 is: 9,289.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,990.02 : 20,982.15 = 6,193.86 : x
  2. Step 2: Convert to fraction form
    13,990.02/20,982.15 = 6,193.86/x
  3. Step 3: Cross multiply
    13,990.02x = 20,982.15 × 6,193.86
  4. Step 4: Simplify right side
    13,990.02x = 129,960,499.60
  5. Step 5: Solve for x
    x = 129,960,499.60/13,990.02
  6. Step 6: Final answer
    x = 9,289.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.